{"id":9212,"date":"2011-10-31T18:22:04","date_gmt":"2011-10-31T18:22:04","guid":{"rendered":"https:\/\/groupeastronomiespa.be\/astrogas\/m31-au-200mm-f2-8\/"},"modified":"2025-06-23T08:20:00","modified_gmt":"2025-06-23T06:20:00","slug":"m31-au-200mm-f2-8","status":"publish","type":"post","link":"https:\/\/groupeastronomiespa.be\/astrogas\/m31-au-200mm-f2-8\/","title":{"rendered":"M31 au 200mm f2.8"},"content":{"rendered":"

R\u00e9sultant d’essais du canon F200 2.8…<\/p>\n

\"\"<\/a><\/p>\n

2011Aug04
\nCanon F200mm f2.8
\nFront filter LPS-P1
\nCanon 40Da (IR Cut removed)
\nAstrotrac, no guiding<\/p>\n

Maxim DL:
\nStack of:
\n 6x240s @f2.8, 7 darks, 21 flat, taken from an other session (2011Jul28), SD-Mask
\n 12x240s @f4.0, 7 darks, 21 flat, taken from an other session (2011Jul28), SD-Mask
\n 18x240s @f5.6, 7 darks, 21 flat, taken from the captures taken at f4.0 during an other session (2011Jul28), SD-Mask<\/p>\n

From all above stacks: Stack by SUM<\/p>\n

Background level
\nLevel
\nCurve
\nCurve
\nCurve \ud83d\ude42
\nLevel
\nCurve
\nCurve \ud83d\ude42
\nAdjust color
\nSaturation
\nFlatten background
\nSave as tiff 16bits<\/p>\n

Slight denoising under neatimage<\/p>\n

Alexandre<\/p>\n\n\n

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\n Veuillez voter<\/span>\n <\/div>\n <\/div>\n","protected":false},"excerpt":{"rendered":"

R\u00e9sultant d’essais du canon F200 2.8… 2011Aug04 Canon F200mm f2.8 Front filter LPS-P1 Canon 40Da (IR Cut removed) Astrotrac, no guiding Maxim DL: Stack of: 6x240s @f2.8, 7 darks, 21 flat, taken from an other session (2011Jul28), SD-Mask 12x240s @f4.0, 7 darks, 21 flat, taken from an other session (2011Jul28), SD-Mask 18x240s @f5.6, 7 darks, […]<\/p>\n","protected":false},"author":16,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[2],"tags":[],"class_list":["post-9212","post","type-post","status-publish","format-standard","hentry","category-astrophotos"],"_links":{"self":[{"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts\/9212","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/users\/16"}],"replies":[{"embeddable":true,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/comments?post=9212"}],"version-history":[{"count":3,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts\/9212\/revisions"}],"predecessor-version":[{"id":15340,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/posts\/9212\/revisions\/15340"}],"wp:attachment":[{"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/media?parent=9212"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/categories?post=9212"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/groupeastronomiespa.be\/astrogas\/wp-json\/wp\/v2\/tags?post=9212"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}